On Tue, Feb 2, 2010 at 3:51 AM, fida aljounaidi
<fida(dot)aljounaidi(at)gmail(dot)com> wrote:
> Hi
>
> I have an sql query which takes 20 seconds to be executed.
>
> this sql query contain more than 870 id under the select where in ()
> condition.
>
> So , it is not a large row result but a big list of conditions to be
> crossed.
>
> I'm using postgresql 8.4.
In addition to the things already posted, post your query and the
output of explain analyze yourquery to the list and let us have a
look.